/*
 * The contents of this web application are subject to the Mozilla Public License Version 
 * 1.1 (the "License"); you may not use this web application except in compliance with 
 * the License. You may obtain a copy of the License at http://www.mozilla.org/MPL/.
 * 
 * Software distributed under the License is distributed on an "AS IS" basis, 
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 
 * for the specific language governing rights and limitations under the License.
 * 
 * The Original Code is owned by and the Initial Developer of the Original Code is 
 * Composite A/S (Danish business reg.no. 21744409). All Rights Reserved
 * 
 * Section 11 of the License is EXPRESSLY amended to include a provision stating 
 * that any dispute, including but not limited to disputes related to the enforcement 
 * of the License, to which Composite A/S as owner of the Original Code, as Initial 
 * Developer or in any other role, becomes a part to shall be governed by Danish law 
 * and be initiated before the Copenhagen City Court ("K�benhavns Byret")            
 */

using System;
using System.Collections.Specialized;
using System.Web;
using Composite.Core;
using Composite.Core.WebClient.Renderings.Page;

namespace Composite.Community.OpenID
{
    public class Utils
    {
        public static string GetLocalized(string resourceName, string key)
        {
            object ro = HttpContext.GetGlobalResourceObject(resourceName, key);
            return ro == null ? string.Empty : ro.ToString();
        }

        public static string GetReturnUrl()
        {
            return HttpContext.Current.Request.QueryString["returnUrl"] ?? HttpContext.Current.Request.RawUrl;
        }

        /// <summary>
        ///     Redirect to page with query string parameter returnUrl as current page
        /// </summary>
        /// <param name="pageId"></param>
        public static bool Redirect(Guid pageId)
        {
            return Redirect(pageId, GetReturnUrl());
        }

        /// <summary>
        ///     Redirect to page with query string parameter returnUrl
        /// </summary>
        /// <param name="pageId"></param>
        /// <param name="returnUrl"></param>
        public static bool Redirect(Guid pageId, string returnUrl)
        {
            string pageUrl;
            PageStructureInfo.TryGetPageUrl(pageId, out pageUrl);
            if (!string.IsNullOrEmpty(pageUrl))
            {
                if (!string.IsNullOrEmpty(returnUrl))
                {
                    var urlBuilder = new UrlBuilder(pageUrl);
                    var queryParameters = new NameValueCollection();
                    queryParameters.Add("returnUrl", returnUrl);
                    urlBuilder.AddQueryParameters(queryParameters);
                    pageUrl = urlBuilder.ToString();
                }
                HttpContext.Current.Response.Redirect(pageUrl, false);
                return true;
            }
            return false;
        }

        public static bool RedirectToReturnUrl()
        {
            string returnUrl = HttpContext.Current.Request.QueryString["ReturnUrl"];
            if (!String.IsNullOrEmpty(returnUrl))
            {
                HttpContext.Current.Response.Redirect(returnUrl, false);
                return true;
            }
            return false;
        }
    }
}